1. From the Department of Radiology (M.K., R.A.K.) and the Institute of Gynecology (M.H.), Kantonsspital Baden, Baden, Switzerland; the Department of Diagnostic Imaging and Interventional Radiology, Pomeranian Medical University Clinical Hospital No. 1, Szczecin, Poland (P.G.); and the Institute of Anatomy, University of Zurich, Zurich, Switzerland (C.M.).